\begin{tabular}{l*{2}{c}}
                    &Total ingredients   &Total ingredients   \\
\hline
Skills, max         &        0.66*  &        0.93** \\
                    &      (0.34)   &      (0.40)   \\
Skills, min         &        0.44***&        0.49** \\
                    &      (0.15)   &      (0.22)   \\
\hline
R2                  &       0.104   &       0.369   \\
Observations        &         660   &         660   \\
Firm fixed effect   &          No   &         Yes   \\
\end{tabular}
